Optical illusions are one of the simplest tools that can be used to determine the intelligence of an individual. It does so by testing the observation skills and perception levels of an individual.

Optical illusions are a real test of your brain’s power! These puzzles challenge your perception, forcing you to uncover hidden details quickly. Today’s optical illusion is a brain teaser like ...

Engaging in such optical illusions can improve observational skills, boost problem-solving abilities, and provide a fun mental exercise. Ready for a fun and brain-teasing challenge? Here’s an op ...

A new optical illusion challenges readers to find the number 88 hidden within a grid of 89s in just six seconds. This playful puzzle tests observation skills and highlights how easily our brains ...

A captivating optical illusion has taken the internet by storm, revealing a hidden number within a black and grey striped swirl, offering an intriguing insight into how our eyes function.

A “creepy” real-life optical illusion on an aeroplane is giving social media users flightmares with many comparing the mind-boggling image to “ET,” per an X post with over 25.6 million views.

Yet it was an illusion of regime victory, suddenly shattered this week after the opposition, led by the once al-Qaeda-affiliated Jabhat al-Nusra – rebranded as Hay’at Tahrir al-Sham ...

This book presents a systematic account of optical coherence theory within the framework of classical optics, as applied to such topics as radiation from sources of different states of coherence, ...

Optical spectroscopy encompasses a wide variety of techniques used to study how matter interacts with light. Optical spectroscopy techniques are used in physics, astronomy, chemistry, biology, and ...

Residents in Central Alberta, Canada, witnessed stunning light pillars as ice crystals reflected streetlights, creating a breathtaking winter optical illusion.